NASA satellite has helped discover five planets like Earth in the habitable zone


NASA has opened about the first batch of planets the size of Earth coinciding with that are in the habitable zone - a region where the surface temperature of the planet provides a potential possibility of the existence of liquid water. Five planets discovered in the course of the mission "Kepler" rotate in the habitable zone of smaller and cooler stars than our sun.

Require additional monitoring to confirm that the candidates are the planets. Kepler also found six confirmed planets that orbit around a star like the sun, which is called Kepler-11.

These planets have been selected from hundreds of candidates which have been identified satellite Kepler. Thus, the findings have increased the number of planet candidates identified by Kepler to 1235. Of these, 68 are approximately equal to the size of the Earth, Earth’s size is greater than 288, 165 Jupiter-sized and 19 larger than Jupiter.

The results obtained in the course of observations, which were conducted from May 12 to September 17. We collected data on more than 156,000 stars in Kepler’s line of sight, which is 1/400 of the sky.

"The fact that we found so many planet candidates, examining such a small area of the sky, gives reason to believe that in our galaxy there are many planets orbiting a sun-like stars," - said the mission chief scientist William Boruca of the NASA center in California .

"Every historical discovery, which makes Kepler, set the course for future missions," - said Douglas Hyudzhins, a scientist involved in the program Kepler from NASA headquarters in Washington.

Kepler - is a space telescope that looks for planets that have certain characteristics, by measuring small changes in the brightness of the sun, which are due to planets passing between the sun and us. These planets are called transit.

Since the transit of planets in the habitable zone of sun-like stars occur about once a year and this requires three transit to final inspection, the researchers calculated that the detection and verification of planets like Earth will take three years.

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